Sensibles Uiversal Sensor Holder - Deluxe Starter KitContains: 12 Sensible Bite Blocks, 8 Medium And 4 Large Size 2 Each Anterior/Posterior Aiming Rings 2 Each Anterior/Posterior Positioning Bars 25 Comfee Sensor Sleeves Sensibles change on-the-fly with a simple push of a button and a quick reposition of the sensor. It's that fast and easy! Medium holds most size 2 and size 0 sensors. Large holds really big sensors.
